Santiago in May usually sees fair weather conditions, with an average daily high temperature of +30°C and roughly 3 sunny days. However, you should prepare for about 23 rainy days with an average precipitation of 101 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+30°C
Avg. max. temperature
+16°C
Min.
+35°C
Max.
101 mm
Total precipitation
77%
Avg. humidity
2 m/s
Avg. wind
3 ☀️
Sunny Days
4 ⛅️
Cloudy
23 🌦
Rainy
Our opinion: Santiago has OK weather in May.
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Average temperature in Santiago in May
Here are the expected maximum, average and minimum temperatures in Santiago for May based on the historical data.
Last Year
Historical Data
The temperature in May is +31°C on average, with a range between a maximum of +33°C during the day and a minimum of +23°C at night.
The average maximum temperature goes down 30% by the end of the month, compared with the beginning of the month, from +30°C to +27°C.
Is Santiago warm or cold in May?
Santiago is typically warm in May.
Maximum temperatures go up compared to the previous month from +30°C to +30°C. The minimum temperature also goes up from +22°C to +23°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how May is compared to other months in Santiago:
Climate in Santiago in May
Santiago weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+30°C
+30°C
+31°C
Min. temperature
+16°C
+16°C
+22°C
Max. temperature
+34°C
+35°C
+36°C
Rainfall
50 mm
101 mm
81 mm
Wind
2 m/s
2 m/s
1 m/s
Humidity
74%
77%
78%
Air pressure
1014 HPa
1013 HPa
1014 HPa
Sunny days
7
3
2
Cloudy days
5
4
5
Rainy days
18
23
20
Snowy days
0
0
0
May typically has worse weather conditions compared to April.The temperature levels stay the same in the area of +30°C for average maximum temperature during the day.Prepare for more rain. Average rainfall goes from 50 mm to 101 mm.Humidity rises from 74% to 77%.The average wind speed doesn’t change much during May, staying around 2 m/s.The days becoming less sunny, going from 7 sunny days in April to 3 in May.
Wind speed in Santiago in May based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santiago is gradually decreasing during May, going from 3 m/s to 1 m/s over the course of the month.
Rain
Amount of rainfall in mm during May in Santiago based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 61%, leading to total precipitation of around 145 mm. The maximum amount of rainfall per day is around 24 mm, which is considered light rain.May is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
May is one of the rainiest months in Santiago, here is a comparison with other months, total mm:
Santiago wettest month is September, where a typical day has a 73% chance of precipitation and 104 mm of rainfall per day. January, on the other hand, is the driest month with a mere 29% chance of precipitation and 10 mm of rainfall per day.
How was the weather last May in Santiago?
This is the weather in Santiago in May 2024:
1 May
☀️
+30°C
2 May
☀️
+31°C
3 May
☀️
+31°C
4 May
☁️
+32°C
5 May
☀️
+33°C
6 May
☁️
+33°C
7 May
☁️
+30°C
8 May
☁️
+31°C
9 May
☀️
+32°C
10 May
☀️
+33°C
11 May
☁️
+31°C
12 May
☀️
+32°C
13 May
☁️
+30°C
14 May
☁️
+31°C
15 May
☀️
+31°C
16 May
☁️
+30°C
17 May
☁️
+30°C
18 May
☁️
+31°C
19 May
☀️
+32°C
20 May
☁️
+30°C
21 May
☀️
+30°C
22 May
☀️
+31°C
23 May
☀️
+30°C
24 May
☁️
+28°C
25 May
🌧️
+29°C
26 May
🌧️
+29°C
27 May
🌧️
+29°C
28 May
☁️
+31°C
29 May
☁️
+30°C
30 May
🌧️
+28°C
31 May
🌧️
+27°C
In May 2024 Santiago had 12 sunny days, 14 cloudy days, and 5 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +33°C and a minimum of +27°C. The average humidity was 78%, with a maximum of 100% and a minimum of 55%. The average wind speed was 2 m/s, with a maximum of 6 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change over Years
This is how Santiago climate have been changing during last 43 years period.
The climate in Santiago in May has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+29°C) and the highest in 1990 (+31°C). The driest year was 2004 with only 403 mm of rainfall, and the wettest year was 1987 with 1025 mm.
FAQ
Frequently asked questions about the weather in Santiago in May:
Is May a good time to visit Santiago?
It’s always a good time to visit Santiago, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Santiago in May?
May is warm in Santiago. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Santiago rainy in May?
Santiago is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Santiago in May?
Usually, it’s not very sunny in Santiago in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Santiago, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
